Why do tortoiseshell coats occur primarily in female cats? O Testosterone suppresses the tortoiseshell gene in males, so tortoiseshell coats appear more often in females, who have less testosterone than males. Tortoiseshell coloring is an X-linked recessive trait, so females with two X chromosomes are more likely to express the trait than males. One of a female's two X chromosomes is randomly inactivated in each cell, so each cell may express different alleles. O The X chromosome is disabled in males, so a tortoiseshell coat, which is an X-linked recessive trait, does not occur in males.
Why do tortoiseshell coats occur primarily in female cats? O Testosterone suppresses the tortoiseshell gene in males, so tortoiseshell coats appear more often in females, who have less testosterone than males. Tortoiseshell coloring is an X-linked recessive trait, so females with two X chromosomes are more likely to express the trait than males. One of a female's two X chromosomes is randomly inactivated in each cell, so each cell may express different alleles. O The X chromosome is disabled in males, so a tortoiseshell coat, which is an X-linked recessive trait, does not occur in males.
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter4: Pedigree Analysis In Human Genetics
Section: Chapter Questions
Problem 22QP: Analysis of X-Linked Dominant and Recessive Traits In the eighteenth century, a young boy with a...
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![A tortoiseshell cat, such as the cat pictured, is likely to be female.
Why do tortoiseshell coats occur primarily in female cats?
Testosterone suppresses the tortoiseshell gene in males, so tortoiseshell coats appear more often in females, who have
less testosterone than males.
Tortoiseshell coloring is an X-linked recessive trait, so females with two X chromosomes are more likely to express the
trait than males.
One of a female's two X chromosomes is randomly inactivated in each cell, so each cell may express different alleles.
O The X chromosome is disabled in males, so a tortoiseshell coat, which is an X-linked recessive trait, does not occur
in males.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F92756ff9-90e2-4c3c-90cf-dce0881ff676%2F45a0461c-8769-4d8b-8c0b-10993d4e02b1%2Fgakesm_processed.png&w=3840&q=75)
Transcribed Image Text:A tortoiseshell cat, such as the cat pictured, is likely to be female.
Why do tortoiseshell coats occur primarily in female cats?
Testosterone suppresses the tortoiseshell gene in males, so tortoiseshell coats appear more often in females, who have
less testosterone than males.
Tortoiseshell coloring is an X-linked recessive trait, so females with two X chromosomes are more likely to express the
trait than males.
One of a female's two X chromosomes is randomly inactivated in each cell, so each cell may express different alleles.
O The X chromosome is disabled in males, so a tortoiseshell coat, which is an X-linked recessive trait, does not occur
in males.
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